* Update Docker and Podman documents clarifying i386|i686 compatibility
* Add building Linux/386 Docker images given that Debian have a compatible LCD version for i386|i686
* Add single directory sync to docker
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Co-authored-by: Hattum van <Nigel.van.Hattum@rabobank.nl>
Co-authored-by: abraunegg <alex.braunegg@gmail.com>